?? ??????? ??????? ????? ??? V-Fold ? n-fold? ??? ???? ????? ???? ?????? ???? ????? ????? ? ????? ????? ????? ??????? ?????????? ??????? ??? ??????. ?? ??????? ??????? ???? ?? ???? ??????? ?????? ????. ???????? ??? ??? ?????? ? ?? ????? ???? ???? ????? ????????? ?????? ?????? - ??? ???? ????? ???????.
